dd Archive

Creating bootable Windows USB from Linux

Intro Many of you probably have Linux for your desktop OS and therefore don’t have access to Microsoft’s DVD/USB tool that creates bootable USB from iso. I’ve had few issues in the past when I tried to make bootable USB from my windows.iso file. Pretty lame, but still… There used to be programs like winusb

Hot backup for KVM / libvirt / Xen

Overview We use Xen server on our development server and I decided, it’s time I start making full snapshots of my VM’s. So far we’ve done data backup only, mainly because of storage limitations. Since we got the new server, I have much more disk space now, so I would like to backup whole VM’s.

LVM Snapshots

What’s purpose of LVM snapshot? Purpose of LVM snapshots is quite simple. We want “point in time” copy of our LV, and snapshot helps us with that, by writing only differences on the snapshot. Why would I do that? It’s ideal for backing up virtual machines or other servers during their operation, since snapshot takes

Moving logical volume (LVM) over network

Sometimes you come to an issue of moving raw volume from one server to another. Now this can be pretty complicated thing. You could make a snapshot of LV or make an image file, which you would copy then to another server, but that takes ages. When creating image you also need almost double the